Box-making machine.



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F. R. HARRIS. BOX MAKING MACHINE.

APPLICATION I 'ILED JULY 18, 1902.

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No. 846,410. PATENTED MAR; 5, 1907.

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- F. HARRIS. BOX MAKING MACHINE.

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P. R. HARRIS. BOX MAKING MACHINE.

APPLICATION PIL ED JULY IB, 1902;

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BOX MAKING. MACHINE.

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- BOX MAKING MACHINE.

APPLICATION PILED JULY 18, 1902.

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No. 846,410. PATENTBD MAR. 5-, 1907.

. F. R. HARRIS.

BOX MAKING MACHINE.

APPLICATION FILED JULY 18, 1902.

I 17 SHEETS-SHEET 17,

UNITED STATES.

PATENT OFFICE.

FRED R. HARRIS, OF ,xnw YORK, X. Y., ASSIGNOR TO THE AMERICAN TOBACCO'COMPAXY, OF NEwYoRK, Y., a CORPORATION oF NEW JERSEY.

Specification of Letters Patent.

BOX-MAKING MACHINE. p

Patented. March 5, 1907.

Application filed July 18. 1902. Serial No. 116.034.

.7 all whom itwmy concern:

Be it known that I, FRED R. HARRIS, a citizen of the United States, residing at New York, county of) ew York, and State of New York, have invented certain new and useful Improvements in Box Making Machines,

fully described and represented in the following specification and the'accom'panying drawings, forming a part ofthe same.

i This invention relates to machines for making boxes from paper, pasteboard, or other suitable material.

'T he invention aims generally to improve the construction of such machines and to provide an efficient and convenient machine by which previously cut and scored. blanks having a central portion, end, and side ,ortions to be turned up and flaps on the sic e or end portions to be turned in so a's-to' lie inside sof the end or side portions of the completed box shall be fed forward in succession, haveipaste applied at the proper places, and have their ends, sides, and flaps folded and pressed .to shape the box and secure the pasted parts to the corresponding parts and by which the formed boxes are then delivered from the machine.

The invention includes improvements in means for feeding the blanks successively from a pile, pasting devices including means for automatically preventing the application of paste to parts of the machine when no blank is passing the paste-applying devices, means for folding the sides, ends, and fla is of i the boxes, means for positioning t 1e blanks with relation to the folding devices, and means for delivering the. folded boxes. 1

v A full understanding of the invention can best be given by a detailed descriptionqof a preferred construction embodying the various features thereof, and such description,

will now be given in connection with the accompanying drawings, showingsi'ich; a preferred construction, in which Figure 1 1s a general plan view of such a machine.

frolnthe right in Fig. 1. Fig. 3 is a rear enc view. looking from the left in Fig. 1. Fig. 4

is a side view looking in the direction of the arrow-1m Fig. 1. p in the direction of the arrow 5 1n FIQI. 1. 1 1g;

line 6 of Fig. 7.

Fig. 2 is a front view looking Fig. 5 s a side view looking view of the blank-supporting and blank- 1 5-3 feeding devices. Fig. 9' is a sectional f'fview taken on line 9 of Fig.8. Figs. 10, 11", and 12 are 'detail views 'ofparts of the" blank supporting and feedin devices.

vices, the pasting-roll, and devices for detecting the absence of a blank and for controlling the' means for moving the pasting .roll to prevent the application of paste to the pressing-roll cooperating therewith. "Fig, 14

is a similar view of such detecting and con trolling devices, showing the detecting-finger in a dirl'erent'position. Fig. 15 is a plan view of such parts. Fig. 16 is a side View showing the pasting-roll and driving-gearing Fig. 32 is a detail of one otthe rear blank-pt): 8:

sitioning pins. Fig. 33 is a side view-creme of-the end-foldersand its operating conned; tions.

Fig. 33. Fig. 36 is a detail view of oneof the flap-folders carried by the'cnd fold'ers. ,Figs'f,

37 and 38 are respectively side andfend'f views of the sidewfolders and their o'perating o 5 mechanism. Fig. 39 1s a detail view of the devices for operating the reciprocating bottom support of thefolding devices. FigFiO" is a plan view tHkGH l'JClOWfile-folding(194 vices. showing theoperatmg-slmfts and 'con x oo' ncctionsi is'a perspectiveviewof 1 the hox-(leliver1ngmechanism} Fig -12" shows the form of a blank before fold ng? Figfllli is a view of the blank aslitappcnrs when partiall v' folded. showlng'thc stay-flaps x05 folded in advance of the side uud'endsecw tions. so as iooxicnd inside the ends'of't jhd box. lig; 1-1- is afsectional viev'v'of the fold- Fig. 13 is a detail sectional view of the blank-feeding de 60 Figs. 2

Figs. 24 to 28 are details of the front Fig. 34 is a detail 'view of the operat f I ing' connectionsfor one of the end-fold rs looking in the direction of the :arrow' Fig. 33. Fig. 35 is a sectiomon line-35 of ingiplunger and support cooperating there- -wit and the endkfol lers and showing a blank being folded. the parts being in osition just after the commencemento the folding operation. Fig. 45 is a s milar view,

but taken so as to show the side-folders. Fig.

46. is a View similar to Fi 43, but showing the parts in position when the plunger and support have reached the lowest position of their movement and the box has been completely formed. Fig. 47 is a view showingthe plunger, the cooperating support and the side-folders, and a completely-formed box, the parts being in position in which the plunger as been raised to its upper position and the box raised by the support into position to be carried from the folding devices bythe delivering devices. Figs. 1 to 6 and 39-and 40 are drawn to the same scale. The remairiing figures are drawn to larger scales.

Referring to the drawings, the various parts of t e machine are supported by a frame 10. J ournaled in suitable hearings in the frame is a driving-shaft 1 1, from which, by -means of gears 12 and 13, isdriven a shaft '1' 4,

- carrying cams and gears by which the various operating parts of the machine are driven. The blanks to be fed intothe machine are placed in a pile in the blank-holder A, from which the bottom blanks are successively fed. The machineis intended to operate on blanks substantially of the form shown in Fig. 42, each having a central or bottom portion'a, end sections b, side sectionsc, and stay-fiaps (1, extending from the ends ofthe side sections 0. The end sections b b and side sections 0 c' are separated from the-bottom aby score-lines, and the stay-flaps d are separated from the side sections 0 by scorelines. The various parts of the holder A are supported by side brackets 20, extending forwardly from the main frame and connected near their outer ends ;by.-a cross-rod 21. The blanks are centrally supported by supports 22, mounted as .hereinafter described. Mounted on the upper rods 23 of the brackets so as to be adjustable longitudinallythereof are two pairs of brackets 24, whichcarry cross-rods 25 and-26. Carried by the rod 25- so as to be adjustable longitudinally thereof and transversely of the machine aretwo pairs of brackets '27 27 and 28 28. Each 'of the brackets 27 carries a vertical rod 29, which rods form the front wall or boundary of theblank-holder and are vertically adjustable and carry at their lower ends-supporting-fin 'ers 36, which extend beneath the front edge of the bottom blank of the pile. Each of the brackets 28 carries a vertical rod 30. The rod 26 carries two pairs of brackets 31 31 and 32 32, adjustable on the rod 26 longitudinally thereof and transversely of the machine.

. screw 43.

- to be advanced beneath the gage-plate at a adjustably mounted brackets 33,'-'which carry vertical rods 34. Each of the brackets 32 carries a rod 35. The rods 35 35 and 3.4 34 and 30 form the side walls or bounda- 'ries of the blank-holder. The rods 34 34 and 35 35 are adjustable vertically in'their respctive brackets, and one or both pairs of said-rods carry at'their lower ends supporting-fingers 3 6,which extend beneath the edges of thebotto'm blank of the pile.

Mounted centrally of the pathof blanks as they are fed'frolnthe pile'is a gage-plate 40, which is. vertically adjustable, as by means of an adjusting-screw 41, in a bracket 42, in which it is clamped by means of a clamping- The-gage-plate 40 is adjusted so as to leave a space between itslower edge and a support over which the blanks are fed of a width sufficient to permit only one blank time. For supporting the blanks as they arepassed beneath the gage-plate there is preferably provided an adjustable supporting gage-block 45, having a flat surface beneath the gage-plate and downwardly inclined on the side toward the pile of blanks. This block is, as shown, carried by ,a supporting-block 46, on which it is vertically adjustable and which block 46 is suitablymounte d so as to be adjustable longitudinally of the machine, as shown. The block 45 .also preferably carries a support and guide 47 for directing the edge of the blanks as'they are fed forward between the plate'40 and block 45, which support 47 is preferably vertically adjustable, as shown.

Any suitable devices may be provided for successively engaging and feeding forward the bottom blanks from the holder. I prefer, however, to provide feeding means substantially as shown in the drawings and whichwill nowbe described. A. slide 50 is mounted to reciprocate longitudinally of the machine between the brackets 33 33, and this slide is formed with a way in which is longitudinally adjustable a support 51, which carries a T-shaped bracket 52, adjustably'secured thereto by means of screw-pins eXtending through vertical slotsin uprights 53 on said support, sothat the inclination of the bracket 52 may be varied as desired. Mounted in each end ofthe cross-bar of the bracket 52, so as to be longitudinally adjustable therein, is a rod 54, which carries atits'rear or inner end-a blank-pusher. A usher of a preferred form is shown in detail in l? ig's. 17, 18, and 19 and consists of a block 55', having an inclined blank-engaging face 56 and an adjustable blank-engaging shoulder 57, said block being adjustably connected to ahead 58, which is swiveled on the end of the rod 54, the connection between the swiveled head and the block .55 being such as to permit the block to be swung vertically on the head and secured in saidposition, as byrneans of the 0 IOO seems screw 59. For providing the adjustable shoulder 57 the block 55 is preferablyformed of the block proper and the shoulder-piece 60, extending within a recess in theblock proper and adjusted against the tension of a spring 61 by means of a screw 62 to extend more or less above the surface of the block proper. I preferably provide two pushers, as shown, mounted to engage the edge of the bottom blank at some distance apart, as I am thereby enabled to insure the straight movement of the-blank from the holder.

The slide 50 is reciprocated by means of a gear-segment 63 carried by a rock-shaft 6'4 and engaging a rack 65 onthe slide. The shaft 84 is rocked by means of a connectingrod 66, connecting at one end-with an arm 67 on the shaft 64 and at the other end with a crank-disk on a shaft 68. i The connecting.- rod 66 preferably has anadjustable connection with the arm-67, as shown in Big. 4, to

permit the throw of the pushers 55 tobe varied. 'insupports 22 are carried by acrosspieee 70 011 the slide 50; so that as the pushers move forward with the bottom blank the supports 22 will also move forward, and thus 'ayoid friction between the supports and the bottom blank. .Thesupports 22 are-,prefer ably in the form. of longitudinally-arranged bars, as showmand are preferably'adjustable on the cross piece 70, as by means of the connection shown in detail in f igs. and 11.

The various parts of the holder will bead- I justed in accordance with the size and form of the blanks, and the blanks will liein the holder in the position and with the. various. positioning-rods in contact with the edges of the blanks, as indicated by dotted lines in Fig. 8. The longitudinal and lateral adjustmentsjof the various positioning-rods is secured by adjusting the cross-rods and 26 and thevarious rod-carrying brackets: The rods29, 34,- and 35 are preferably adjustable so. that their supportingfingers will be in a plane slightly above the plane of the suports 22, so that the blanks as they lie in the older will be raised slightly at the edges and the pressure on the supports 22, and consequently the pressure on the bottom blank of the blanks above, will be less than if all the supports lay in the same plane. The rods 34.- and 35, further, theis jpporting-fingersBfi of which extend, respeq ively, beneath the end secticnsb and front stay-flaps d of the blanks as they lie in the holder, willbe raised to position their supporting-fingers sufficiently above the supports 22 and with the fin ers on the rods 35 above the fingers of the rods 34 so that as the bottom blank is advanced and its frontfilaps passover the supporting-fingers ofthese rods the two rear stay-flaps will pass freely beneath the supporting-fingers of the rods 34, and the end sections Z) of the blank and the two rear stay flaps will pass beneath the supporting-fingers cylinder and of the rods 35. This is importanhas it avoids all chance of the edges of the end sections and of the second pair of stay-flaps coming in contact with the edges of these supportingfingers and of the end-sections coming in contact with the supporting-rods 35 when the end sections extend beyond the stayflaps, as in theblank shown in Fig. 41. It should be further noted that by providing these supporting-fingers for supporting the main weight of the pile of blanks as the bottom blank is advanced by the pushers it is moved clear of these supporting-fingers [after a very short movement and 1s thus relieved of the main part of the weight ofthe pile of blanks in the holder, and therefore is moved forward'with but slight friction with the blank above it. At times itmay be preferable to use supporting-fingers ononly one pair of the rods 34 or 35, and they may be used on either the rods 34 01'3'5, or both, as

required, according to the blanks being fed.

As the bottom blanks are successively advanced from the holder they enter between feeding-rolls 76, by which theyare advanced to the pasting mechanism for receiving paste on the end sections 1) l). The

pasting devices include a pasting-cylinder 77 and coacting pressure-roll 78. The past-.

ing-cylinder is formed with longitudinally and transverse undercut grooves 7 9 and the pastin -plates"80 are held to'th surface of the cy inder by means of clamps 8i, adjustable in the grooves 79. This construction provides a convenientmeans for adjusting the pasting plates on the surface of the size'td'be used. The pasting-cylinder may be cut away, as shown in the draw ngs, lor convenience in placing and moving the clamps 8]., which are in the transverse or circumferential grooves. The pasting-cylinder and the roll 7 Scarry inter-meshing gears 82 and 83and are continuouslydriven from the camshaft 14 through gears 84, 85, 86, 87, and 88. l aste is applied to the pastingcylinder by means of an oscillating transfer roll 90, which. oscillatesto alternatelyengage orpermitting plates of different the pasting-cylinder and fountain-roll 91 0f the paste-fountain .92.. The fountain and fo'untain roll may be of any suitable construction, and the transfer-roll may be'mounted and o erated in any suitablejmanner. As here s own. it is carried by arms extending from a rock-sh aft 93, which shaft has an arm. 94,, carrying an' antifricition-roll which is held bytension of a spring, as95, in contactwith a cam 96 on the shaftoflthe pastin g-c-ylinder The cam 96 is preferably adjustable-- c1r'c'urnferentially on the shaft of the pasting-cylinder and is preferably an" extension-cam; .of suitable construct onsuch. for 1 example, as

shown in the detail views Figs; 30 lg'f'alid 22-so that it may be adjusted-to hold the' transfer-roll'i'n position to applyfpaste to the 

